Mj1/Mj2 - Fuji Electric Monitouch V9 Series Connection Manual

1.2.2

MJ1/MJ2

The MJ1 and MJ2 ports support communication via RS-232C and RS-485 (2-wire system).
MJ1 is also usable as a screen program transfer port.
CAUTION
Pin Arrangement
MJ1/MJ2
MJ1/MJ2
RJ-45 8pin
* For MJ1, MJ2 and USBA, the maximum allowable current is 150 mA in total (only when the installation angle of MONITOUCH is within 60
to 120).
Recommended Cable
Hakko Electronics' cable "V6-TMP" 3, 5, 10 m
Notes on Configuring a Cable
CAUTION
Pin arrangement
on MONITOUCH
Applicable Devices
Port
Computer (screen program transfer)
MJ1
PLC, temperature controller, inverter, servo, barcode reader, V-Link, slave communication (Modbus RTU), serial printer
MJ2 PLC, temperature controller, inverter, servo, barcode reader, V-Link, slave communication (Modbus RTU), serial printer
 MJ1 and MJ2 use the same type RJ-45 connector as the LAN connector.
To prevent damage to the device from an external power supply of the MJ, check the indication
on the unit and insert a cable in the correct position.
 MJ1 and MJ2 are not usable for connection via RS-422 (4-wire system). Use the CN1 port
instead or a commercially available RS-232C-to-RS-422 converter.
1 2 3 4 5 6 7 8
Pins No. 3 and 4 are provided for external power supply. To prevent damage to the device due to
wrong connection, check the pin numbers and connect wires correctly.
8 7 6 5 4 3 2 1
No. Signal
1 +SD/RD
2
SD/RD
3
+5V
4
5
SG
6
7 RD
8 SD
Recommended Cable
Pin arrangement
on the cable
1 2 3 4 5 6 7 8
Applicable Devices
1.2 Physical Ports
Contents
RS-485 + data
RS-485  data
*
Externally supplied +5 V
Signal ground
RS-232C receive data
RS-232C send data
1-5